Amphenol Temposonics MH Series Manual de instruções - Página 13
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5.2 Set point tolerance zero to full scale
At MTS, the sensor set points are calibrated with a tolerance of ± 1 mm. When installing in cylinders, please note that any additional tolerances
must be taken into account. During teach-in, all tolerances in the cylinder-and-sensor system are eliminated. The piston rod drives towards the
zero or full scale. The measured signals are programmed accordingly in the controller.
During operation without teach-in, the following tolerances should be taken into account (values are applicable to magnet 401032):
Example: Measuring range 400 mm
(Signal span 4000 mV)
Signal:
0.5 – 4.5 V
Span:
4000 mV
Set point tolerance (SP):
± 1 mm ˆ = 10 mV
Magnet tolerance (M):
± 1 mm (max.)
Cylinder tolerance (Z):
± 1 mm
SP: : typ. zero or full scale tolerance
M: max. tolerance of the magnet
Z: adequate tolerance of the magnet
Electric signal with all tolerances:
M + Z + SP = 3 mm
3 mm ˆ = 30 mV
5.2.1 Set point tolerance VDC, e.g. 400 mm
@ Zero: 0,5 V ± 30 mV
For the zero, the permissible tolerance is: 0.5 V ± 30 mV
@ Full scale: 4.5 V ± 30 mV
For the full scale, the permissible tolerance is: 4.5 V ± 30 mV
5.2.2 Set point tolerance mA, e.g. 400 mm
@ Zero: 4 mA ± 0.12 mA
For the zero, the permissible tolerance is: 4 mA ± 0.12 mA
@ Full scale: 20 mA ± 0.12 mA
For the full scale, the permissible tolerance is: 20 mA ± 0.12 mA
After installing the sensor in the cylinder, the deviations from the required signal values
are within the defined tolerances. These deviations must be taken into account by the
control systems, or when determining limit values.
Typical values
Cylinder stroke (mm)
250
Tolerances (mV)
50
500
1000
30
15
I
(Signal span 16mA)
Signal:
4...20 mA
Span:
16 mA
Set point tolerance: ± 1 mm ˆ = 0,04 mA
Magnet tolerance: ± 1 mm (max.)
Cylinder tolerance: ± 1 mm
Electric signal with all tolerances:
M + Z + SP = 3 mm
3 mm ˆ = 0,12 mA
Typical values
Cylinder stroke (mm)
Tolerances (mV)
13
I
Temposonics
MH Analog
®
Operating Manual
Please ask for tolerances of
other magnet types.
Min
Max
Null
0.47 V
0.53 V
F.S.
4.47 V
4.53 V
Min
Max
Null
3.88 mA
4.12 mA
F.S.
19.88 mA 20.12 mA
250
500
1000
0.20
0.10
0.5